7.3 Solution Finally!!! Must Read.. - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 10-22-2009, 06:07 PM Thread Starter
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Exclamation 7.3 Solution Finally!!! Must Read..

Just went through the wringer with my 2002 f350 7.3 PD truck. It all started when the engine light came on. Next, the truck became VERY sluggish and sounded like it was going to roll over and die. Black smoke bellowed from the pipe and I was ready to say my good-bye's to an old friend.
I called every diesal mechanic I could find and googled until my fingers bled trying to locate the problem my truck was having. I heard everything from bad gas to bad fuel pump, bad injectors, bad sensors (ICP & ICR) bad egr valve, bad this, bad that. MONEY MONEY AND MORE MONEY!! Determined to fix the problem myself, I pulled all the sensors and cleaned them, bought a code reader (Which said no dtc's were detected) changed all the filters, etc. Stil the truck coughed, shook, and sputtered like it had the swine flu. While the truck was running, I decided to check wires and vacuum hoses. When I reached below the turbo tubes and pressed on the wiring harness that houses the wires for the sensors, a strange thing happened.. The truck came back to life!! All this time it was as simple as cleaning the clip then re-attaching it. Saved hundreds, if not thousands of dollars by doing this. Can't help but wonder how many others with the same problem had to fork over tons of cash to these dealers or mechanics replacing perfectly good sensors, valves, etc. Lesson learned. I took pictures along the way so if anyone is curious, I can send them'
Glad to have my baby back!!
David Ray
ditchdigger76@yahoo.com

Last edited by ditchdigger76; 10-22-2009 at 06:09 PM. Reason: misspelled
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post #2 of 5 Old 10-22-2009, 07:39 PM
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The wires that go into the valvecovers? Those are called the under valve cover harnesses. The loose connector is a pretty common problem. You would also probably have seen the code for it if you had a powerstroke capable scan tool. Most scanners only retrieve basic codes. The diesels need a scanner that has "ford enhanced" capability.

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post #3 of 5 Old 10-22-2009, 07:51 PM
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Glad to see you got it all fixed

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post #4 of 5 Old 10-22-2009, 08:13 PM
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I'm glad you got your baby back instead of junkin her. Your story will allow me to not give up hope if something ever happens to my 7.3.
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post #5 of 5 Old 10-22-2009, 08:32 PM
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Yep, its amazing what you can fix yourself by spending a little time under the hood just checking stuff out. Good work

MATT

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